Q.

A calorimeter of water equivalent 20 g contains 180g of water at 250C. ‘m’ grams of steam at 1000C is mixed in it till the temperature of the mixture is 310C. The value of ‘m’ is close to (Latent heat of water = 540 cal g-1, specific heat of water = 1 cal g-1 0C-1)

Moderate

Unlock the Full Solution and Master the Concept

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept

By Expert Faculty of Sri Chaitanya

a

2

b

4

c

3.2

d

2.6

answer is 1.

(Detailed Solution Below)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Heat gained by cold body = heat lost by hot body⇒20+180×1×31-25=m(540)+m×1×100-31⇒1200=m(609)⇒m≈2gms

ctaimg

ctaimg

Choose your Grade and Exam

Connect with our

Expert Counsellors

access to India's best teachers with a record of producing top rankers year on year.

+91

We will send a verification code via OTP.